Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual data tem um time visitante de fitzroy?
 ###Tabelas: CREATE TABLE practice_times_and_leaderboard_600cc (practice_times_and_leaderboard_600cc_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Rider VARCHAR, Sat 29 May VARCHAR, Mon 31 May VARCHAR, Tues 1 June VARCHAR, Wed 2 June VARCHAR, Thurs 3 June VARCHAR, Fri 4 June VARCHAR) CREATE TABLE rank_by_time_in_office (rank_by_time_in_office_id AUTO_INCREMENT PRIMARY KEY, Rank: INT, Premier: VARCHAR, Assumed Office: VARCHAR, Left Office: VARCHAR, TOTAL Time in Office: VARCHAR) CREATE TABLE electoral_districts (electoral_districts_id AUTO_INCREMENT PRIMARY KEY, District INT, Region VARCHAR, Communes VARCHAR, Population (2002 census) INT, % of total population VARCHAR, VAP INT, Enrolled INT, Total votes INT, Valid votes INT, Turnout VARCHAR, E/VAP VARCHAR, T/VAP VARCHAR, V/VAP VARCHAR) CREATE TABLE round_7 (round_7_id AUTO_INCREMENT PRIMARY KEY, Home team VARCHAR, Home team score VARCHAR, Away team VARCHAR, Away team score VARCHAR, Venue VARCHAR, Crowd INT, Date VARCHAR) CREATE TABLE medallists (medallists_id AUTO_INCREMENT PRIMARY KEY, Medal VARCHAR, Name VARCHAR, Sport VARCHAR, Event VARCHAR, Date VARCHAR)  
SELECT Date FROM round_7 WHERE Away team = fitzroy